Natwar Kumar has over 4.8 years of experience in application development using technologies like Java, Spring, Struts, PL/SQL, and Perl. He has worked on projects in various domains including e-commerce, government, telecom, and finance. His most recent role was as a Senior Software Engineer at Tavant Technology where he implemented user registration using Play Framework, JQuery, and MySQL. Prior to that, he was a Developer at Headstrong where he worked on portfolio management applications using Spring and JSP. He has also worked as a Software Developer at TCS and Shoppers Drug Mart on tax management and e-commerce projects respectively.